2015 INFINITI Q40

Introduction:

The 2015 INFINITI Q40 is a compact luxury sedan that was offered with three engine options: a 2.0-liter turbocharged inline-four, a 3.7-liter naturally aspirated V6, and a 3.0-liter twin-turbocharged diesel V6. Transmission options included a 7-speed automatic and a 6-speed manual. Drivers praised the Q40’s stylish design, comfortable interior, and sporty handling, but criticized its firm ride and lack of rear seat space.

Engine

2.0-liter Turbocharged Inline-Four

• Turbocharger Failure:
  • Description/Symptoms: Reduced engine power, check engine light illuminated, turbocharger noises
  • Solution: Replace turbocharger
  • Estimated Cost to Fix: $1,500 - $2,500
  • Recalls: None Found

3.7-liter Naturally Aspirated V6

• No Issues Found

3.0-liter Twin-Turbocharged Diesel V6

• Diesel Particulate Filter Clogging:
  • Description/Symptoms: Reduced engine power, increased fuel consumption
  • Solution: Replace diesel particulate filter
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found
• Exhaust Gas Recirculation Valve Failure:
  • Description/Symptoms: Check engine light illuminated, reduced engine power, increased emissions
  • Solution: Replace exhaust gas recirculation valve
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Transmission

7-Speed Automatic

• Transmission Slipping:
  • Description/Symptoms: Transmission fails to engage properly, lack of power
  • Solution: Repair or replace transmission
  • Estimated Cost to Fix: $2,500 - $5,000
  • Recalls: None Found

6-Speed Manual

• No Issues Found

Suspension

• Strut Mount and Bearing Failure:
  • Description/Symptoms: Rattling or knocking sounds from the front suspension, reduced handling performance
  • Solution: Replace strut mount and bearing
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found
• Lower Control Arm Bushing Wear:
  • Description/Symptoms: Squealing noises from the front suspension, reduced handling performance
  • Solution: Replace lower control arm bushing
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: Slow engine cranking or failure to start, electrical system malfunctioning
  • Solution: Diagnose and fix battery drain
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found
• Alternator Failure:
  • Description/Symptoms: Dim headlights, battery warning light illuminated, electrical system malfunctioning
  • Solution: Replace alternator
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Exterior

• Panel Gaps and Misalignments:
  • Description/Symptoms: Uneven gaps between the body panels, misaligned headlights or taillights
  • Solution: Adjust panels or replace damaged components
  • Estimated Cost to Fix: $200 - $1,000
  • Recalls: None Found

Interior

• Infotainment Screen Glitching:
  • Description/Symptoms: Touchscreen becomes unresponsive or displays distorted images
  • Solution: Software update or replacement of infotainment unit
  • Estimated Cost to Fix: $500 - $2,000
  • Recalls: None Found
• Climate Control Malfunction:
  • Description/Symptoms: A/C or heating system fails to operate properly
  • Solution: Diagnose and repair electrical or mechanical issues
  • Estimated Cost to Fix: $200 - $1,000
  • Recalls: None Found

Summary:

The 2015 INFINITI Q40 has a few reported issues that can be expensive to repair. The most severe issues include turbocharger failure, transmission slipping, and electrical problems, which can cost thousands of dollars to fix. However, many of the other issues are relatively minor and inexpensive to address. Overall, the Q40’s reliability is average, and it’s important for potential buyers to be aware of the potential issues before purchasing.